Home / 5,306.26-7,960.20-2,707.78

Finding the Fourth Proportional to 5,306.26, 7,960.20 and 2,707.78

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Solution

The fourth proportional to 5,306.26, 7,960.20 and 2,707.78 is: 4,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.26 : 7,960.20 = 2,707.78 : x
  2. Step 2: Convert to fraction form
    5,306.26/7,960.20 = 2,707.78/x
  3. Step 3: Cross multiply
    5,306.26x = 7,960.20 × 2,707.78
  4. Step 4: Simplify right side
    5,306.26x = 21,554,470.36
  5. Step 5: Solve for x
    x = 21,554,470.36/5,306.26
  6. Step 6: Final answer
    x = 4,062.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.